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Cisco Bug: CSCvt82666 - traffic loss when fex-fabric reconnected with N2348

Last Modified

Aug 26, 2020

Products (12)

  • Cisco Nexus 6000 Series Switches
  • Cisco Nexus 5548P Switch
  • Cisco Nexus 5596UP Switch
  • Cisco Nexus 5624Q Switch
  • Cisco Nexus 6004 Switch
  • Cisco Nexus 5672UP Switch
  • Cisco Nexus 6001 Switch
  • Cisco Nexus 56128P Switch
  • Cisco Nexus 5548UP Switch
  • Cisco Nexus 5696Q Switch
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Known Affected Releases


Description (partial)

On FEX being connected with N5K-C5672UP with vPC configuration, when one of fex-fabric is reconnected with N2K-C2348UPQ or N2K-C2348TQ, 
about 1 sec traffic loss may be observed just after FEX becomes online.

Nexus 5600 series running 7.3(7)N1(1) connected to Nexus 2300 series FEX with vPC configuration.
When one of fex-fabric is reconnected(down and up).
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
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  • Related Community Discussions
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